Question 1

If the temperature is -55 °F,what is the corresponding temperature on the Kelvin scale?

Accepted Answer

A) 225 K 
B) 218 K 
C) 55 K 
D) 273 K 
E) 328 K 
A) 225 K 
B) 218 K 
C) 55 K 
D) 273 K 
E) 328 K

Question 2

Which of the following is a property of a solid?

Accepted Answer

A) It takes the shape of the container. 
B) It fills the volume of the container. 
C) The particles move at a rapid rate. 
D) The interactions between its particles are very weak. 
E) The particles have fixed positions and are very close together. 
A) It takes the shape of the container. 
B) It fills the volume of the container. 
C) The particles move at a rapid rate. 
D) The interactions between its particles are very weak. 
E) The particles have fixed positions and are very close together.

Question 3

Which of the following would not be a physical change?

Accepted Answer

A) freezing water to make ice cubes 
B) tearing a piece of aluminum foil 
C) boiling water for soup 
D) burning gasoline in a lawnmower 
E) melting gold to make jewelry 
A) freezing water to make ice cubes 
B) tearing a piece of aluminum foil 
C) boiling water for soup 
D) burning gasoline in a lawnmower 
E) melting gold to make jewelry

Question 4

A compound only contains one type of atom.

Accepted Answer

A) True 
 B)False

Question 5

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Accepted Answer

A) True 
 B)False

Question 6

Water freezes at 100 °C.

Accepted Answer

A) True 
 B)False

Question 7

If the heat of fusion for water is 80.cal/g,how many calories are needed to melt 45.0 g of ice at 0 °C?

Accepted Answer

A) 3.6 cal 
B) 3.6 ×   cal 
C) 1.8 cal 
D) 80.cal 
E) 0.56 cal 
A) 3.6 cal 
B) 3.6 ×   cal 
C) 1.8 cal 
D) 80.cal 
E) 0.56 cal

Question 8

Which of the following quantities is not required to calculate the amount of heat energy required to heat water from 25 °C to 55 °C?

Accepted Answer

A) the mass of the water sample 
B) the initial temperature 
C) the final temperature 
D) the specific heat of water 
E) the heat of vaporization for water 
A) the mass of the water sample 
B) the initial temperature 
C) the final temperature 
D) the specific heat of water 
E) the heat of vaporization for water

Question 9

The specific heat of a substance is the amount of heat needed to ________.

Accepted Answer

A) change 1 g of the substance from the solid to the liquid state 
B) raise the temperature of 1 g of the substance by 1 °C 
C) change 1 g of the substance from the liquid to the solid state 
D) convert 1 g of a liquid to gas 
E) convert 1 g of a solid to a gas 
A) change 1 g of the substance from the solid to the liquid state 
B) raise the temperature of 1 g of the substance by 1 °C 
C) change 1 g of the substance from the liquid to the solid state 
D) convert 1 g of a liquid to gas 
E) convert 1 g of a solid to a gas

Question 10

Iron rusting is an example of a ________ change.

Accepted Answer

The answer of Iron rusting is an example of a...

Question 11

Condensation occurs when a liquid is converted to a solid.

Accepted Answer

A) True 
 B)False

Question 12

A temperature of 41 °F is the same as ________.

Accepted Answer

A) 5 °C 
B) 310 °C 
C) -9 °C 
D) 16 °C 
E) 42 °C 
A) 5 °C 
B) 310 °C 
C) -9 °C 
D) 16 °C 
E) 42 °C

Question 13

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at   is frozen to ice?

Accepted Answer

A) 620 cal 
B) 1600 cal 
C) 2000 cal 
D) 2200 cal 
E) 0 cal 
A) 620 cal 
B) 1600 cal 
C) 2000 cal 
D) 2200 cal 
E) 0 cal

Question 14

The number of calories needed to raise the temperature of 32 g of water from   ________.

Accepted Answer

A) 380 cal 
B) 1.3 cal 
C) 1300 cal 
D) 1700 cal 
E) 0.76 cal 
A) 380 cal 
B) 1.3 cal 
C) 1300 cal 
D) 1700 cal 
E) 0.76 cal

Question 15

Which of the following is not a characteristic of the solid state?

Accepted Answer

A) has a definite shape 
B) has a definite volume 
C) particles are close together 
D) particles are moving very fast 
E) particles are in fixed positions 
A) has a definite shape 
B) has a definite volume 
C) particles are close together 
D) particles are moving very fast 
E) particles are in fixed positions

Question 16

Which of the following is a physical change?

Accepted Answer

A) baking a cake 
B) solid dry ice changing to a gas 
C) fermenting grapes to produce wine 
D) digesting a meal 
E) a tomato ripening 
A) baking a cake 
B) solid dry ice changing to a gas 
C) fermenting grapes to produce wine 
D) digesting a meal 
E) a tomato ripening

Question 17

A bungee jumper just before she leaps,has ________ energy.

Accepted Answer

The answer of A bungee jumper just before she leaps,has...

Question 18

A temperature of 20°C is equivalent to ________ K.

Accepted Answer

The answer of A temperature of 20°C is equivalent to...

Question 19

The heat of fusion is greater than the heat of vaporization.

Accepted Answer

A) True 
 B)False

Question 20

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Accepted Answer

A) 2300 cal 
B) 1600 cal 
C) 2800 cal 
D) 540 cal 
E) 0 cal 
A) 2300 cal 
B) 1600 cal 
C) 2800 cal 
D) 540 cal 
E) 0 cal

If the temperature is -55 °F,what is the corresponding temperature on the Kelvin scale?

Which of the following is a property of a solid?

Which of the following would not be a physical change?

A compound only contains one type of atom.

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Water freezes at 100 °C.

If the heat of fusion for water is 80.cal/g,how many calories are needed to melt 45.0 g of ice at 0 °C?

Which of the following quantities is not required to calculate the amount of heat energy required to heat water from 25 °C to 55 °C?

The specific heat of a substance is the amount of heat needed to ________.

Iron rusting is an example of a ________ change.

Condensation occurs when a liquid is converted to a solid.

A temperature of 41 °F is the same as ________.

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at is frozen to ice?

The number of calories needed to raise the temperature of 32 g of water from ________.

Which of the following is not a characteristic of the solid state?

Which of the following is a physical change?

A bungee jumper just before she leaps,has ________ energy.

A temperature of 20°C is equivalent to ________ K.

The heat of fusion is greater than the heat of vaporization.

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Chemistry in Our Lives

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Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

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Exam 3: Matter and Energy

If the temperature is -55 °F,what is the corresponding temperature on the Kelvin scale?

Which of the following is a property of a solid?

Which of the following would not be a physical change?

A compound only contains one type of atom.

Steam at 100 °C contains the same amount of heat as liquid water at 100 °C.

Water freezes at 100 °C.

If the heat of fusion for water is 80.cal/g,how many calories are needed to melt 45.0 g of ice at 0 °C?

Which of the following quantities is not required to calculate the amount of heat energy required to heat water from 25 °C to 55 °C?

The specific heat of a substance is the amount of heat needed to ________.

Iron rusting is an example of a ________ change.

Condensation occurs when a liquid is converted to a solid.

A temperature of 41 °F is the same as ________.

The heat of fusion for water is 80.cal/g.How many calories of heat are released when 20.0 g of water at is frozen to ice?

The number of calories needed to raise the temperature of 32 g of water from ________.

Which of the following is not a characteristic of the solid state?

Which of the following is a physical change?

A bungee jumper just before she leaps,has ________ energy.

A temperature of 20°C is equivalent to ________ K.

The heat of fusion is greater than the heat of vaporization.

The heat of fusion for water is 80.cal/g.How many calories of heat are needed to melt a 35 g ice cube that has a temperature of 0 °C?

Chemistry in Our Lives

Chemistry and Measurement

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters